SOLUTION: The figure below represents a semicircle with diameter AB and centre O. The radius of the semicircle is 3 cm. Taking pi to be 3.14, calculate a) the area of the shaded figure b)

Algebra.Com
Question 1042235: The figure below represents a semicircle with diameter AB and centre O. The radius of the semicircle is 3 cm. Taking pi to be 3.14, calculate
a) the area of the shaded figure
b) the perimeter of the shaded figure
Found 2 solutions by chen.aavaz, Edwin McCravy:
Answer by chen.aavaz(62)   (Show Source): You can put this solution on YOUR website!
My friend, there is no figure, so I will assume that we are talking about a semicircle and a diameter and the shaded area is the inside.
The area of the shaded figure is half of the area of the circle, that is,

The perimeter is that of a semicircle plus the length of the diameter:

Answer by Edwin McCravy(20059)   (Show Source): You can put this solution on YOUR website!


LOL. How do you think we could possibly know what 

part of the semicircle is shaded??????  Hahahahahaha! 

RELATED QUESTIONS


The figure ABCD is a rectangle, AD = 6, AB = 18, arc AB is a semicircle with
diameter... (answered by Edwin McCravy)

What are the perimeter and area of the figure shown (it is a semicircle with two right... (answered by ankor@dixie-net.com)

The figure shown is composed of a semicircle and a non-overlapping equilateral triangle,... (answered by Fombitz)

a piece of wire that has been bent in the form of a semicircle including the bounding... (answered by mananth)

The perimeter of a semicircle is doubled when the radius is increased by 3. Find the... (answered by Alan3354)

The perimeter of a semicircle is doubled when the radius is increased by 3. Find the... (answered by nerdybill,MathTherapy)

The two semicircles in the figure are tangent to each other. The radius of the quadrant... (answered by Fombitz)

I just cannot figure this out. Please help me:  a sign is in the shape of a square with a  (answered by josmiceli)

Three circles, two of them equal, are drawn in contact with a semicircle (two out of the... (answered by venugopalramana,keigan)